| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, for pay | 79 |
0.9%
|
| 2 | Yes, unpaid | 36 |
0.4%
|
| 3 | No | 8858 |
98.6%
|
| 9 | Missing | 15 |
0.2%
|
| Sysmiss | 26759 |